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Finding the Fourth Proportional to 7,237.82, 9,986.18 and 4,252.56

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Solution

The fourth proportional to 7,237.82, 9,986.18 and 4,252.56 is: 5,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.82 : 9,986.18 = 4,252.56 : x
  2. Step 2: Convert to fraction form
    7,237.82/9,986.18 = 4,252.56/x
  3. Step 3: Cross multiply
    7,237.82x = 9,986.18 × 4,252.56
  4. Step 4: Simplify right side
    7,237.82x = 42,466,808.36
  5. Step 5: Solve for x
    x = 42,466,808.36/7,237.82
  6. Step 6: Final answer
    x = 5,867.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.